Sand table. Sand table is a term for using constrained sand for modeling or educational purposes. The original version of a sand table may be the abax used by early Greek students. In the modern era, one common use for a sand table is to make terrain models for military planning and wargaming
: the action or process of teaching someone especially in a school, college, or university. : the knowledge, skill, and understanding that you get from attending a school, college, or university. : a field of study that deals with the methods and problems of teaching.
Higher education is an educational level that follows a completion of a school providing a secondary education, such as a high school, secondary school, or gymnasium. Tertiary education is normally taken to include undergraduate and postgraduate education, as well as vocational education and training.